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$421+ Cheap flights from Montana to Vietnam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SGN
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Montana to Vietnam

Cheapest flights from Montana to Vietnam
Explore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:45 pm
BIL
-
SGN
3 stops42h 10m
United Airlines
Mon 2/27:30 am
SGN
-
BIL
2 stops43h 54m
United Airlines
Deal found 1/19$795
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/34:13 pm
BIL
-
SGN
3 stops40h 42m
United Airlines
Tue 2/246:00 am
SGN
-
BIL
3 stops29h 21m
United Airlines
Deal found 1/19$1,070
This Korean Air deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:25 am
FCA
-
DAD
2 stops26h 40m
Korean Air
Mon 9/1410:55 pm
DAD
-
FCA
2 stops37h 07m
Korean Air
Deal found 1/19$1,080
This Korean Air deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:15 am
BIL
-
SGN
2 stops41h 35m
Korean Air
Mon 2/22:05 pm
SGN
-
BIL
2 stops41h 25m
Korean Air
Deal found 1/19$1,181
This oojo deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/33:35 pm
BIL
-
SGN
2 stops30h 00m
EVA Air
Tue 2/2411:50 am
SGN
-
BIL
2 stops25h 48m
EVA Air
Deal found 1/20$1,440
This oojo deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/33:35 pm
BIL
-
SGN
2 stops28h 25m
China Airlines
Tue 2/245:50 pm
SGN
-
BIL
2 stops19h 48m
China Airlines
Deal found 1/19$1,600
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/812:25 pm
FCA
-
DAD
2 stops43h 05m
Delta
Sun 2/2211:20 pm
DAD
-
FCA
2 stops53h 02m
Delta
Deal found 1/20$1,991
This Korean Air deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:25 am
FCA
-
DAD
2 stops41h 50m
Korean Air
Mon 1/263:45 pm
DAD
-
FCA
2 stops45h 07m
Korean Air
Deal found 1/18$2,141
This American Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:25 am
FCA
-
DAD
3 stops38h 10m
Multiple Airlines
Sun 2/222:40 pm
DAD
-
FCA
3 stops47h 17m
Multiple Airlines
Deal found 1/19$5,734

Find flight deals from Montana to Vietnam

Keep the following information in mind while searching for Montana to Vietnam flight deals. Data was last updated January 20, 2026.

Round-trip from

$1,070
(United Airlines)

One-way from

$421
(United Airlines)
From Montana to Vietnam
Search Deals
One-way flight from Montana to Vietnam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Montana to Vietnam that are best for you.

Fly from

Montana

Fly to

Vietnam

Route

Depart

Return

Price

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

4:13 pm-10:55 pm

3 stops40h 42m

Ho Chi Minh City

Tue 2/24

6:00 am-9:21 pm

3 stops29h 21m

$1,070

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

3:35 pm-11:35 am

2 stops30h 00m

Ho Chi Minh City

Tue 2/24

11:50 am-11:38 pm

2 stops25h 48m

$1,440

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

3:35 pm-10:00 am

2 stops28h 25m

Ho Chi Minh City

Tue 2/24

5:50 pm-11:38 pm

2 stops19h 48m

$1,600

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sun 2/8

12:25 pm-9:30 pm

2 stops43h 05m

Da Nang

Sun 2/22

11:20 pm-2:22 pm

2 stops53h 02m

$1,991

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sun 2/8

6:25 am-10:35 am

3 stops38h 10m

Da Nang

Sun 2/22

2:40 pm-11:57 pm

3 stops47h 17m

$5,734

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 2/16

7:00 am-12:15 am

2 stops27h 15m

$421

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sun 2/15

10:49 am-12:15 am

2 stops47h 26m

$432

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Fri 1/30

4:13 pm-10:55 pm

3 stops40h 42m

$436

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Fri 2/13

2:35 pm-10:55 pm

3 stops66h 20m

$442

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Fri 1/30

4:13 pm-10:55 pm

2 stops40h 42m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
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Best time to book a flight from Montana to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Vietnam
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Montana to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montana to Vietnam?

    For as low as $1,600, United Airlines can have you in Vietnam from Montana in 28h 25m. The distance between Montana and Vietnam is about 7950 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Montana to Vietnam that include hotel bookings?

    Yes. In addition to deals on Montana to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Vietnam.

  • Can I find deals for business class flights from Montana to Vietnam?

    Yes. Cheapflights offers flight deals from Montana to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Montana to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Montana to Vietnam

Discover the top airline that operate flights from Montana to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$852Average$1,386FlexibilityNo cancel feeOn-time69%

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